Home / 21,996.15-32,999.09-10,908.87

Finding the Fourth Proportional to 21,996.15, 32,999.09 and 10,908.87

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Solution

The fourth proportional to 21,996.15, 32,999.09 and 10,908.87 is: 16,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.15 : 32,999.09 = 10,908.87 : x
  2. Step 2: Convert to fraction form
    21,996.15/32,999.09 = 10,908.87/x
  3. Step 3: Cross multiply
    21,996.15x = 32,999.09 × 10,908.87
  4. Step 4: Simplify right side
    21,996.15x = 359,982,728.38
  5. Step 5: Solve for x
    x = 359,982,728.38/21,996.15
  6. Step 6: Final answer
    x = 16,365.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.